CN1299228A - 电容式传声器 - Google Patents

电容式传声器 Download PDF

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Publication number
CN1299228A
CN1299228A CN00120928A CN00120928A CN1299228A CN 1299228 A CN1299228 A CN 1299228A CN 00120928 A CN00120928 A CN 00120928A CN 00120928 A CN00120928 A CN 00120928A CN 1299228 A CN1299228 A CN 1299228A
Authority
CN
China
Prior art keywords
field effect
effect transistor
circuit board
printed circuit
pcb
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN00120928A
Other languages
English (en)
Chinese (zh)
Inventor
金钟圭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WONI COMMUNICATIONS CO Ltd
Original Assignee
WONI COMMUNICATIONS CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WONI COMMUNICATIONS CO Ltd filed Critical WONI COMMUNICATIONS CO Ltd
Publication of CN1299228A publication Critical patent/CN1299228A/zh
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/01—Modifications for accelerating switching
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/14—Structural association of two or more printed circuits
    • H05K1/141—One or more single auxiliary printed circuits mounted on a main printed circuit, e.g. modules, adapters

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
CN00120928A 1999-12-07 2000-08-03 电容式传声器 Pending CN1299228A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019990055502A KR20000012476A (ko) 1999-12-07 1999-12-07 콘덴서 마이크로폰
KR0055502/1999 1999-12-07

Publications (1)

Publication Number Publication Date
CN1299228A true CN1299228A (zh) 2001-06-13

Family

ID=19624020

Family Applications (1)

Application Number Title Priority Date Filing Date
CN00120928A Pending CN1299228A (zh) 1999-12-07 2000-08-03 电容式传声器

Country Status (4)

Country Link
EP (1) EP1107642A2 (fr)
JP (1) JP2001186596A (fr)
KR (1) KR20000012476A (fr)
CN (1) CN1299228A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007068200A1 (fr) * 2005-12-14 2007-06-21 Goertek Inc. Microphone a condensateur

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100466403B1 (ko) * 2002-03-08 2005-01-13 주식회사 삼부커뮤닉스 제품과의 접속을 위한 콘덴서 마이크로폰의 구조
KR100508915B1 (ko) * 2002-10-10 2005-08-19 송기영 콘덴서 마이크로폰의 구조 및 그 제조 방법
KR20050025840A (ko) * 2003-09-08 2005-03-14 주식회사 삼부커뮤닉스 공간 활용이 용이한 타원형 콘덴서 마이크로폰
JP4809912B2 (ja) * 2009-07-03 2011-11-09 ホシデン株式会社 コンデンサマイクロホン

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007068200A1 (fr) * 2005-12-14 2007-06-21 Goertek Inc. Microphone a condensateur

Also Published As

Publication number Publication date
KR20000012476A (ko) 2000-03-06
EP1107642A2 (fr) 2001-06-13
JP2001186596A (ja) 2001-07-06

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Legal Events

Date Code Title Description
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication